Heating stove



FIG. 1 is a perspective view of a heating stove showing my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a side elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a second side elevational view thereof.

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a heating stove, substantially as shown and described. 